FIGURE 2.

Mediation figure for the direct effect of parental smoking and indirect effect of parental smoking through older sibling smoking. ORs for the direct effects of parent smoking trajectories and older sibling smoking on adolescent smoking are from Table 4, Model 3. ORs for the indirect effects of parent smoking trajectories on older sibling smoking are adjusted for the child- and parent-level controls used in Table 4, Model 2. *p < .05, **p < .01, ***p < .001